19872578

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{331}}^1\times {\mathrm{2729}}^1$

素因数の和:3073

約数の個数: 16

約数和(自身を含む): 32628960

約数和(自身を除く): 12756382

約数列:

[1, 2, 11, 22, 331, 662, 2729, 3641, 5458, 7282, 30019, 60038, 903299, 1806598, 9936289, 19872578]

約数ペア:

[(1, 19872578), (2, 9936289), (11, 1806598), (22, 903299), (331, 60038), (662, 30019), (2729, 7282), (3641, 5458)]